This quiz is designed to assess your basic knowledge in ‘Human Genetics’.Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.

1. Which of the following cannot be deleted in a developing foetus by amniocentesis?
Down's syndrome
Jaundice
Klinefelter's syndrome
Sex of the foetus2. Select the incorrect statement with regard to haemophilia.
It is a dominant disease
A single protein involved in the clotting of blood is affected.
It is a sex linked disease
it is a recessive disase3. Down's syndrome in humans is due to
three X chromososme
three copies of chromosome 21
monosomy
two Y chromosomes
4. XO chromosomal abnormality in human beings causes
Turner's syndrome
Down's syndome
Klinefelter's syndrome
Edward's syndrome5. Gynaecomastia is the symptom of
Kinefelter's syndrome
Down's syndrome
Turner's syndrome
cri-du-chat syndrome6. Which one is the incorrect statement with regard to the importance of pedigree analysis?>
It confirms that DNA is the carrier of genetic information
It helps to understand whether the trait in question is dominant or recessive
it confirms that the triat is linked to one of the autosome
it helps to trace the inheritance of a specific trait7. Albinism is due to deficiency of
tyrosinase
amylase
acetyl cholinesterase
carbonic anhydrase
8. Which of the following chromosomal constitution refers to Jacob's syndrome in human?
44+XO
44+XXY
44+XYY
45+XYY
9. Which following pair of diseases is caused by two genes located on human X chromosome?
colour blindness and phenylketonuria
colour blindness and haemophilia
colour blindness and hypertrichosis
colour blindness and albinism
10. The hereditary disease in which the urine of a person turns black on exposure to the presence of homogenetistic acid is known as
ketonuria
haematuria
phenylketonuria
alkaptonuria
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